IFM Electronic AS-Interface AC2216 Montageanleitung Seite 12

Operation
Check the safe functioning of the unit. Display by LEDs:
• LED yellow I1 ... I4
• LED green AS-i
• LED red FAULT
• LED green AUX
• LED yellow DIAG
DIAG ON
DIAG flashes
DIAG OFF
Measuring range of the analogue input modules
The measuring ranges, the states of the LEDs and their meaning are
indicated in the following tables:
Analogue input module 4I, 4 ... 20mA - AC2216
Range
4 ... 20mA
< 1mA
1mA ... 3.999mA
4mA ... 20mA
20.001mA ...
23mA
> 23mA
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Units
dec.
32767
1000 ... 3999
4000 ... 20000
20001 ... 23000
32767
analogue channels 1 ... 4
voltage to the AS-i terminals
periphery fault
A periphery fault is indicated if at least
one of the analogue signals is outside the
value range. For the module AC2216 a
periphery fault is also indicated in case of
a wire break, i.e. input current < 1mA.
external voltage supply 24V
internal diagnosis
no fault
internal fault (exchange module)
internal fault (exchange module)
Units
hex.
7FFF
03E8 ... 0F9F
0FA0 ... 4E20
4E21 ... 59D8
7FFF
LED
analogue
off
on below nominal
on nominal range
on above nominal
flashes outside range
Meaning
wire break
range
range